Semiconductor BusinessSAMSUNG Electronics

2009. October

HDD has long latency & late seek time due to mechanical operation

SSD does not have both latency and seek time

Why SSD performance is faster than HDD?

Platter

Spindle

Head

Arm

Actuator

* All HDD values are based on available datasheets. It can be varied under different test circumstances and preconditions.

(1)7.2K RPM HDD (2)10K RPM HDD (3)15K RPM HDD (4) >15K RPM HDD

15K RPM 2.5 SAS HDD

1

2

Seek time : ~ 3.1msec

Latency : ~ 2.0msec

1

2

Advantage Disadvantages

Low latency & seek time

High performance

More Power consumption Downsize Max. Capacity to reduce air drag More Noise Worse Shock condition (70Gs@7.2K 60Gs @15K)

Advantage and disadvantages of High RPM HDD

Seek time Active Max. Capacity GB Acoustics

9.0

4.23.9

3.0 3.1

2.0

4.0

2.9

3.5

4.2

4.8

4.1

500

300

146

2.3

3.13.3

[Bels][msec]

[GB]

[Watt]

Avg. Latency Idle

?

?

?

?

1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4

Samsung SSD outperforms 15K RPM HDD in performance

Samsung SSD is up to x106 faster than HDD in IOPS performance

SSD vs HDD IOPS Performance comparison

[IOPS@4KB]

* SSD performance is based on SEC test result and 15K RPM SAS HDD performance is based on available spec.

* All test result can be varied under different test circumstances and preconditions.

20K

30K

40K

50K Random Read 100%

Random Read 70% + Random Write 30%

Random Write 100%

30K

15K

7K

39K

20K

15K

K

10K

367 358 349

SSD Gen.1 SSD Gen. 215K RPM

X106/

x54/x43

upX80/

x41/x19

up

X1.0/

X1.0/x1.0

Up to X106

UP!!

IOPS Comparison

HDD has mechanical parts, Spindle & Arm motor to operate

Without mechanical parts, SSD saves power to operate

Why SSD power consumption is lower than HDD?

* SSD and15K RPM HDD power consumption is based on SEC test measurement.

* All test results can be varied under different test circumstances and preconditions. SSD Gen.1 is 2.5 and Gen.2 is 3.5 form factor.

[Watt]

4

6

0

2

Electrical

Operation

only

SSD Gen.2SSD Gen.1

1.7

2.5

Electrical

Operation

Mechanical

Operation

15K RPM

5.5

3.9

1.6

Samsung SSD vs 15K RPM HDD power consumption

Samsung SSD can save up to x32 power consumption than 15K HDD

SSD vs HDD power consumption comparison

* SSD Power consumption is based on SEC test result and 15K RPM SAS HDD power consumption is based on available spec.

* All test result can be varied under different test circumstance and preconditions.

[Watt]

15K RPM

Up to

X32

Down!

X1 / x1Idle

Active

Watt Comparison

1.32

SSD Gen.1 SSD Gen.2

2

3

4

5

1

4.80

4.08

X32/x3.4

Down

1.37

0.13

X3.1/x2.9

Down

1.63

IOPS/Watt makes bigger gap in Samsung SSD vs 15K RPM

SSD IOPS/Watt is up to x668 higher than 15K RPM

SSD vs HDD IOPS/Watt comparison

* All SSD test result is based on SEC measurement. Performance result can be varied under different test condition and FW change.

* 15K RPM HDD power consumption is based on available spec.

* Configuration : CPU - 1.86Ghz Quad Core / HBA- PERC6.2 / RAM- DDR2 FBDIMM 4GB

OS - Windows 2003 Server / Test Program- IOMETER / Q-depth 32

20K

30K

40K

60KRandom Read 100%

Random Read 70% + Random Write 30%

Random Write 100%

46K

33K

2K

51K

37K

4K

K

10K

77 75 73

SSD Gen.1 SSD Gen. 215K RPM

X668/

x491/x56

upX598/

x434/x30

up

X1.0/

X1.0/x1.0

Up to

X668

UP!!

IOPS / Watt Comparison

50K

[IOPS/Watt]

For example, lets assume there is same 10GB workload (4KB Ran. R 70% / 4KB Ran. W 30%) and operate SSD and HDD in 24hours

SSD finishes the workload much faster and goes to idle, but HDD spends time mostly in active mode and have less idle

SSD vs HDD Energy Cost Comparison

* All SSD test result is based on SEC measurement. Performance result can be varied under different test conditions and FW change.

* 15K RPM HDD power consumption is based on available spec.

* Configuration: CPU- 1.86Ghz Quad Core / HBA- PERC6.2 / RAM- DDR2 FBDIMM 4GB

OS - Windows 2003 Server / Test Program- IOMETER / Q-depth 32

Energy* Comparison

[Wh]

40

80

0

X 1.0

Up to

X31

Down!

Active

Idle

SSD Gen.1 SSD Gen.215K RPM

97.6

2.931.1

Total 112.5

15% idle +

85% active X 31.1

Down

X 3.5

DownTotal: 3.61

98% idle +

2% activeTotal: 31.6

98.4% idle +

1.6% active

0.7 0.6

120

14.9

One Samsung SSD can beat 10 Enterprise HDDs in OLTP1)

Increasing I/O transactions (106% improvement) Saving Power (37% power reduction)

Case Study 1 : Server in OLTP application

* OS : Oracle Enterprise Linux 5.1

* DBMS : Oracle Database 10g R2(10.2.0.1.0) for Linux x86

* TPC-C Benchmark Software: BMFactory

* Source : SKKU VLDB lab.

1) OLTP : Online Transaction Processing 2 ) TPS : Transaction Per Second

[Watt][TPS]2)

Power comparisonTPS2)

comparison

Server with 10 HDDs

Server with 1 SSD

Server with 10 HDDs

Server with 1 SSD

100

200

400

0

300

100

200

300

0

106%

UP

37%

Down

180

370 282

179

Samsung SSD values in enterprise storage system Higher IOPS performance : 38% improvement Lower Storage Cost : 17% Savings Less Power Consumption : 32% Reduction

Case Study 2 : Enterprise Storage system

* HDD System : 240 x 300GB 15K FC Disks

* SSD System : 8 x 200GB SSD + 120 x 400GB 10K FC Disks + 24 x 1TB SATA

* Source : Samsung & EMC

IOPS Performance Power consumption Storage Cost

72,000

99,300

10.23

6.96

30,960

25,690

17%

Down

38%

UP

32%

Down

HDD System

SSD System

HDD System

SSD System

HDD System

SSD System

[USD][IOPS] [KW]

Experience how Samsung SSD could save $/IOPS, Watt/IOPS

Visit the website : - SSD : www.samsung.com/ssd- Calculator :www.samsung.com/global/business/semiconductor/products/flash/ssd/2008/calculator/calculator.html

Best Storage Configuration Practice

Green Savings Calculator

SSD Roadmap

Year

Model

F/FDensity

(GB)

2009 2010 2011

Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2

4Q, 2009C/S M/PE/S

SS805 2.5 100/50

SS1605 2.5 200/100

SS1625* 2.5 400/200

5xnm, 8Gb SLC

4xnm, 8Gb SLC

3xnm, 16Gb SLC